1392492-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1392492-81-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,2,4,9 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1392492-81:
(9*1)+(8*3)+(7*9)+(6*2)+(5*4)+(4*9)+(3*2)+(2*8)+(1*1)=187
187 % 10 = 7
So 1392492-81-7 is a valid CAS Registry Number.
1392492-81-7Relevant articles and documents
A convenient one-pot two-step synthesis of pyrazolylphosphonates from ethynylphosphonate
Beletskaya, Irina P.,Yu. Mitrofanov, Alexander
, p. 536 - 537 (2021/08/24)
A convenient one-pot preparation of pyrazol-3-ylphosphonates involves Cu-catalyzed cross-coupling of acyl chlorides with diethyl ethynylphosphonate followed by heterocyclization with hydrazine.
